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progs.ksy
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meta:
id: quake_progs
title: QuakeC Bytecode
file-extension: dat
license: CC0-1.0
endian: le
doc: |
This specification was authored by erysdren (it/its).
https://erysdren.me/
seq:
- id: header
type: progs_header
- id: extended_header
type: progs_header_extended
if: 'header.version == progs_versions::fte'
instances:
strings:
pos: header.ofs_strings
size: header.num_strings
functions:
pos: header.ofs_functions
repeat: expr
repeat-expr: header.num_functions
type:
switch-on: _root.header.version
cases:
'progs_versions::qtest': progs_function_qtest
'progs_versions::quake': progs_function
'progs_versions::fte': progs_function
fielddefs:
pos: header.ofs_fielddefs
repeat: expr
repeat-expr: header.num_fielddefs
type:
switch-on: _root.header.version
cases:
'progs_versions::qtest': progs_def_qtest
'progs_versions::quake': progs_def
'progs_versions::fte': progs_def
globaldefs:
pos: header.ofs_globaldefs
repeat: expr
repeat-expr: header.num_globaldefs
type:
switch-on: _root.header.version
cases:
'progs_versions::qtest': progs_def_qtest
'progs_versions::quake': progs_def
'progs_versions::fte': progs_def
statements:
pos: header.ofs_statements
repeat: expr
repeat-expr: header.num_statements
type:
switch-on: _root.header.version
cases:
'progs_versions::qtest': progs_statement_qtest
'progs_versions::quake': progs_statement
'progs_versions::fte': progs_statement
globals:
pos: header.ofs_globals
type: progs_global
repeat: expr
repeat-expr: header.num_globals
types:
progs_header:
seq:
- id: version
type: s4
enum: progs_versions
- id: crc
type: s4
enum: progs_crcs
- id: ofs_statements
type: s4
- id: num_statements
type: s4
- id: ofs_globaldefs
type: s4
- id: num_globaldefs
type: s4
- id: ofs_fielddefs
type: s4
- id: num_fielddefs
type: s4
- id: ofs_functions
type: s4
- id: num_functions
type: s4
- id: ofs_strings
type: s4
- id: num_strings
type: s4
- id: ofs_globals
type: s4
- id: num_globals
type: s4
- id: entityfields
type: s4
progs_header_extended:
seq:
- id: ofs_files
type: s4
- id: ofs_linenums
type: s4
- id: ofs_compressed_functions
type: s4
- id: num_compressed_functions
type: s4
- id: ofs_types
type: s4
- id: num_types
type: s4
- id: num_compressed_blocks
type: s4
- id: secondary_version
type: u4
enum: progs_versions_extended
progs_function_qtest:
seq:
- id: first_statement
type: s4
- id: reserved
type: s4
repeat: expr
repeat-expr: 3
- id: s_name
type: s4
- id: s_file
type: s4
- id: num_parms
type: s4
- id: parm_start
type: s4
- id: parm_size
type: s4
repeat: expr
repeat-expr: 8
instances:
name:
pos: s_name + _parent.header.ofs_strings
type: strz
encoding: ascii
filename:
pos: s_file + _parent.header.ofs_strings
type: strz
encoding: ascii
progs_function:
seq:
- id: first_statement
type: s4
- id: parm_start
type: s4
- id: locals
type: s4
- id: profile
type: s4
- id: s_name
type: s4
- id: s_file
type: s4
- id: num_parms
type: s4
- id: parm_size
type: u1
repeat: expr
repeat-expr: 8
instances:
name:
pos: s_name + _parent.header.ofs_strings
type: strz
encoding: ascii
filename:
pos: s_file + _parent.header.ofs_strings
type: strz
encoding: ascii
progs_def_qtest:
seq:
- id: type
type: u4
- id: s_name
type: u4
- id: ofs
type: u4
instances:
name:
pos: s_name + _parent.header.ofs_strings
type: strz
encoding: ascii
progs_def:
seq:
- id: type
type: u2
- id: ofs
type: u2
- id: s_name
type: u4
instances:
name:
pos: s_name + _parent.header.ofs_strings
type: strz
encoding: ascii
progs_statement_qtest:
seq:
- id: line
type: u4
- id: opcode
type: u2
- id: a
type: s2
- id: b
type: s2
- id: c
type: s2
progs_statement:
seq:
- id: opcode
type: u2
- id: a
type: s2
- id: b
type: s2
- id: c
type: s2
progs_global:
seq:
- id: g
size: 4
enums:
progs_versions:
3: qtest
6: quake
7: fte
progs_crcs:
58535: qtest
6956: quake091
5927: quake101
54730: quakeworld
progs_versions_extended:
0x021b1461: fte16
0x65167402: fte32